Watch



FIG. 1 is a top and right front perspective view of a watch showing my new design;

FIG. 2 is a top plan view thereof, the broken line watch bands being illustrative and environmental only and forming no part of the claimed design;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a watch, as shown and described. 